package com.ccjq.jq167.dao;

import com.ccjq.jq167.po.StudentPo;

import java.util.List;

public interface Sql_Dao {
    //查询信息
    List<StudentPo> getselect_students();
    //添加信息
    int getinsert_students(StudentPo po);
    //删除信息
    int getdelete_students(String id);
    //修改信息
    int getupdate_students(String name,String age,String sex,String address,String school,String id);
}
